Texas Instruments

OPA842ID

The OPA842ID is a precision operational amplifier (op-amp) from Texas Instruments. It is designed for high-precision applications and offers excellent performance in terms of speed, accuracy, and power consumption.

Description:

The OPA842ID is a low-noise, precision operational amplifier with a wide input voltage range and low input offset voltage. It is available in an 8-pin SOIC package and operates over a supply voltage range of ±2.5V to ±18V. The device features a high slew rate of 7 V/µs and a low input bias current of 1 pA, making it suitable for a wide range of precision applications.

Features:

1. Low input offset voltage: 1 µV max (B grade), 250 nV max (A grade)
2. Low input bias current: 1 pA max
3. Wide input voltage range: ±2.5V to ±18V
4. Low noise: 4.2 nV/√Hz input voltage noise
5. High slew rate: 7 V/µs
6. Precision short-circuit current limit
7. Internal frequency compensation
8. Available in 8-pin SOIC package

Applications:

The OPA842ID is well-suited for a variety of precision applications, including:

1. Strain gauge amplifiers
2. Bridge amplifiers
3. pH meter amplifiers
4. Weigh scales
5. Pressure sensor amplifiers
6. Medical instrumentation
7. Data acquisition systems
8. Industrial control systems
9. Precision DC amplification
10. Audio equipment

In summary, the OPA842ID is a high-performance precision operational amplifier from Texas Instruments, offering low input offset voltage, low input bias current, and low noise. It is suitable for a wide range of applications that require high accuracy and precision, such as strain gauge amplifiers, bridge amplifiers, and medical instrumentation.